Which among the following is/are ureotelic animals whale, camel, toad, shark?

Explanation

To determine which among the given animals (whale, camel, toad, shark) are ureotelic, we need to understand what ureotelic means and identify the classification of each animal.

### Step-by-Step Solution:

1. **Understanding Ureotelic**:
- Ureotelic animals are those that excrete urea as their primary nitrogenous waste product. This is a characteristic of certain groups of animals, particularly mammals and some amphibians.

2. **Identifying the Animals**:
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